I had it done in order to have a tuba reversal, they needed to measure the lenght of the tubes left. It wasnt too bad.

The nurse told me since my tubes were blocked it would cause alot of pressure when the tubes filled because the dye ws trying to push through. It was heavy cramping but tolerable. I found that if I moved more to the side when it got alot of pressure it was not as bad.

She also said that if you have has children it isnt as bad because you have some weakness where they insert the cath. It shouldnt be too bad. I was able to walk out fine. There was mild cramping throughout the day but none the next. They said you coul take tylonol before to help ease the discomfort.